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$534+ Cheap flights from St. Louis (STL) to Copenhagen (CPH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CPH
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Kastrup Copenhagen are usually found in February or January, booked 22 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from St. Louis to Copenhagen

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Copenhagen (CPH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$593
(lastminute.com)

One-way from

$534
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$1,056
From Lambert-St Louis to Kastrup Copenhagen
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One-way flight from Lambert-St Louis to Kastrup Copenhagen
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Highest demand for flights based on searches. 6% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from St. Louis to Copenhagen

Cheapest flights from St. Louis to Copenhagen
Explore the most affordable flight options available from St. Louis to Copenhagen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This lastminute.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/37:11 pmSTL - CPH
2 stops28h 19mVirgin Atlantic
Tue 8/199:00 amCPH - STL
2 stops17h 07mVirgin Atlantic
Deal found 6/12$593
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/35:14 pmSTL - CPH
1 stop11h 01mAmerican Airlines
Tue 8/192:00 pmCPH - STL
2 stops15h 17mAmerican Airlines
Deal found 6/12$626
This Gotogate deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/84:05 pmSTL - CPH
2 stops32h 25mMultiple Airlines
Wed 9/176:10 amCPH - STL
1 stop14h 20mMultiple Airlines
Deal found 6/10$644
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/85:30 pmSTL - CPH
2 stops31h 00mUnited Airlines
Wed 9/1712:45 pmCPH - STL
2 stops32h 34mUnited Airlines
Deal found 6/10$658
This Finnair deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/34:52 pmSTL - CPH
2 stops16h 23mFinnair
Tue 8/191:15 pmCPH - STL
2 stops16h 02mFinnair
Deal found 6/10$675
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/46:40 amSTL - CPH
2 stops16h 50mDelta
Mon 8/189:00 amCPH - STL
2 stops21h 14mDelta
Deal found 6/10$705
This Cheapflightsfares deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/43:41 pmSTL - CPH
1 stop12h 09mScandinavian Airlines
Mon 8/181:25 pmCPH - STL
1 stop15h 02mScandinavian Airlines
Deal found 6/12$717
This British Airways deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/281:15 pmSTL - CPH
1 stop15h 00mBritish Airways
Mon 9/12:00 pmCPH - STL
1 stop13h 58mBritish Airways
Deal found 6/10$887
This Air Canada deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/264:05 pmSTL - CPH
1 stop11h 45mAir Canada
Sat 8/212:45 pmCPH - STL
2 stops38h 15mAir Canada
Deal found 6/11$913
This Air France deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2211:18 amSTL - CPH
1 stop15h 47mAir France
Thu 7/316:15 amCPH - STL
2 stops17h 03mAir France
Deal found 6/12$1,000
This Gurufare deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/135:27 pmSTL - CPH
2 stops18h 18mLufthansa
Sat 6/216:05 amCPH - STL
2 stops16h 25mLufthansa
Deal found 6/10$1,548

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to Copenhagen that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from St. Louis to Copenhagen that are best for you.

Fly from

St. Louis

Fly to

Copenhagen

Route

Depart

Return

Price

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Sun 8/3

7:11 pm-6:30 am

2 stops28h 19m

Kastrup Copenhagen

Tue 8/19

9:00 am-7:07 pm

2 stops17h 07m

$593

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Sun 8/3

5:14 pm-11:15 am

1 stop11h 01m

Kastrup Copenhagen

Tue 8/19

2:00 pm-10:17 pm

2 stops15h 17m

$626

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 9/8

4:05 pm-7:30 am

2 stops32h 25m

Kastrup Copenhagen

Wed 9/17

6:10 am-1:30 pm

1 stop14h 20m

$644

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 9/8

5:30 pm-7:30 am

2 stops31h 00m

Kastrup Copenhagen

Wed 9/17

12:45 pm-2:19 pm

2 stops32h 34m

$658

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Sun 8/3

4:52 pm-4:15 pm

2 stops16h 23m

Kastrup Copenhagen

Tue 8/19

1:15 pm-10:17 pm

2 stops16h 02m

$675

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 8/4

6:40 am-6:30 am

2 stops16h 50m

Kastrup Copenhagen

Mon 8/18

9:00 am-11:14 pm

2 stops21h 14m

$705

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 8/4

3:41 pm-10:50 am

1 stop12h 09m

Kastrup Copenhagen

Mon 8/18

1:25 pm-9:27 pm

1 stop15h 02m

$717

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Thu 8/28

1:15 pm-11:15 am

1 stop15h 00m

Kastrup Copenhagen

Mon 9/1

2:00 pm-8:58 pm

1 stop13h 58m

$887

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Sat 7/26

4:05 pm-10:50 am

1 stop11h 45m

Kastrup Copenhagen

Sat 8/2

12:45 pm-8:00 pm

2 stops38h 15m

$913

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Tue 7/22

11:18 am-10:05 am

1 stop15h 47m

Kastrup Copenhagen

Thu 7/31

6:15 am-4:18 pm

2 stops17h 03m

$1,000

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 12 results
1
2

Best time to book a flight from St. Louis to Copenhagen

Have a flexible travel schedule? Discover the best time to fly to Copenhagen from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Copenhagen

How far ahead should I book a flight from St. Louis to Copenhagen?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Copenhagen. Price data was last updated on June 9, 2025.

The best time to book flights from St. Louis to Copenhagen is 22 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from St. Louis to Copenhagen?

Currently, November is the cheapest month in which you can book a flight from St. Louis to Copenhagen (average of $523). Flying from St. Louis to Copenhagen in June is currently the most expensive (average of $911). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to CPH?

Find hourly flight availability from St. Louis to Copenhagen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s optimal to fly from St. Louis to Copenhagen in the morning. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight at noon.

Rainfall in Copenhagen by month

Plan your trip to Copenhagen by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Copenhagen ranges from 0.8 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Copenhagen when rainfall is around 0.8 in.

Temperature in Copenhagen by month

Plan your trip to Copenhagen by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Copenhagen, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Copenhagen

Get insights into the airlines that provide service to Copenhagen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Copenhagen. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Copenhagen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from St. Louis to Copenhagen round-trip?

    Our cheapest airline available from St. Louis to Copenhagen is Virgin Atlantic. Our recent data shows that you can find tickets from as low as $593 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $626 and $658 round-trip. These flights start at 31% lower than the current average price 3 months from now.

  • Can I find deals for flights from St. Louis to Copenhagen that include hotel bookings?

    Yes. In addition to deals on St. Louis to Copenhagen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Copenhagen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Copenhagen.

  • Can I find deals for business class flights from St. Louis to Copenhagen?

    Yes. Cheapflights offers flight deals from St. Louis to Copenhagen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Copenhagen?

    Currently, November is the cheapest month in which you can book a flight from St. Louis to Copenhagen (average of $523). Flying from St. Louis to Copenhagen in June is currently the most expensive (average of $911). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Kastrup

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Alternative routes for St. Louis to Copenhagen

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Copenhagen flights

Top 7 airlines flying from St. Louis to Copenhagen

Discover the top 7 airlines that operate flights from St. Louis to Copenhagen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$488Average$1,073FlexibilityNo cancel feeOn-time70%
DeltaCheapest$590Average$811FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$625Average$960FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$639Average$1,056FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$653Average$799FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$655Average$972FlexibilityNo cancel feeOn-time67%
Scandinavian AirlinesCheapest$683Average$1,031FlexibilityNo cancel feeOn-time77%

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